C-Tetra

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100% stable water-free vitamin C serum that defends against sun damage and visibly improves elasticity and firmness.Medik8 C-Tetra is a 100% stable, water-free Vitamin C serum form ulated to combat sun-induced skin damage while visibly improving elasticity and density. Powered by an advanced combination of Vitamin C and complementary skin-loving actives, this lightweight oil-based serum delivers potent antioxidant protection against environmental aggressors — brightening the complexion and helping to restore a firmer, more youthful-looking appearance over time. Show more